Home / 226,436.36-312,152.86-158,241.60

Finding the Fourth Proportional to 226,436.36, 312,152.86 and 158,241.60

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Solution

The fourth proportional to 226,436.36, 312,152.86 and 158,241.60 is: 218,143.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,436.36 : 312,152.86 = 158,241.60 : x
  2. Step 2: Convert to fraction form
    226,436.36/312,152.86 = 158,241.60/x
  3. Step 3: Cross multiply
    226,436.36x = 312,152.86 × 158,241.60
  4. Step 4: Simplify right side
    226,436.36x = 49,395,568,010.98
  5. Step 5: Solve for x
    x = 49,395,568,010.98/226,436.36
  6. Step 6: Final answer
    x = 218,143.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.